Thread Size M1.2, M1.4, M2. Thread size M1.2, M1.4, M2. Size M1.2 x 2 mm, M1.2 x 2.5 mm., M2 x 10 mm. Fastener Size M1.2 x 2mm. 【Round Head Screws Set】The micro screws adopt a standard round head cross design, uniform force, easy to lock, not easy to slip, clear and clean thread, and very convenient to repair with the equipped multi-function screwdriver.